1610662605537 has 8 divisors (see below), whose sum is σ = 2147559826720. Its totient is φ = 1073770227360.

The previous prime is 1610662605521. The next prime is 1610662605553. The reversal of 1610662605537 is 7355062660161.

It is an interprime number because it is at equal distance from previous prime (1610662605521) and next prime (1610662605553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1610662605537 - 2⁴ = 1610662605521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610662605637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346639 + ... + 1827972.

It is an arithmetic number, because the mean of its divisors is an integer number (268444978340).

Almost surely, 2^{1610662605537} is an apocalyptic number.

It is an amenable number.

1610662605537 is a deficient number, since it is larger than the sum of its proper divisors (536897221183).

1610662605537 is a wasteful number, since it uses less digits than its factorization.

1610662605537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421503.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 1610662605537 in words is "one trillion, six hundred ten billion, six hundred sixty-two million, six hundred five thousand, five hundred thirty-seven".